/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:50:15,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:50:15,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:50:15,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:50:15,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:50:15,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:50:15,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:50:15,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:50:15,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:50:15,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:50:15,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:50:15,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:50:15,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:50:15,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:50:15,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:50:15,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:50:15,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:50:15,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:50:15,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:50:15,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:50:15,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:50:15,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:50:15,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:50:15,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:50:15,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:50:15,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:50:15,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:50:15,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:50:15,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:50:15,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:50:15,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:50:15,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:50:15,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:50:15,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:50:15,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:50:15,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:50:15,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:50:15,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:50:15,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:50:15,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:50:15,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:50:15,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:50:15,368 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:50:15,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:50:15,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:50:15,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:50:15,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:50:15,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:50:15,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:50:15,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:50:15,369 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:50:15,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:50:15,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:50:15,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:50:15,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:50:15,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:50:15,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:50:15,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:50:15,372 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:50:15,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:50:15,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:50:15,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:50:15,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:50:15,556 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:50:15,557 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:50:15,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2023-05-20 14:50:15,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80cb1ac7/604c7ed5efef44fb998c6540fc4247c4/FLAG20136a139 [2023-05-20 14:50:16,028 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:50:16,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2023-05-20 14:50:16,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80cb1ac7/604c7ed5efef44fb998c6540fc4247c4/FLAG20136a139 [2023-05-20 14:50:16,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80cb1ac7/604c7ed5efef44fb998c6540fc4247c4 [2023-05-20 14:50:16,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:50:16,384 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:50:16,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:50:16,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:50:16,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:50:16,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8c7cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16, skipping insertion in model container [2023-05-20 14:50:16,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:50:16,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:50:16,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2023-05-20 14:50:16,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:50:16,582 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:50:16,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2023-05-20 14:50:16,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:50:16,603 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:50:16,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16 WrapperNode [2023-05-20 14:50:16,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:50:16,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:50:16,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:50:16,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:50:16,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,639 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-05-20 14:50:16,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:50:16,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:50:16,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:50:16,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:50:16,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:50:16,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:50:16,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:50:16,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:50:16,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (1/1) ... [2023-05-20 14:50:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:50:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:16,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 14:50:16,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:50:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:50:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 14:50:16,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:50:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 14:50:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 14:50:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:50:16,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:50:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:50:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:50:16,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 14:50:16,818 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:50:16,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:50:16,996 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:50:17,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:50:17,045 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 14:50:17,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:50:17 BoogieIcfgContainer [2023-05-20 14:50:17,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:50:17,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:50:17,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:50:17,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:50:17,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:50:16" (1/3) ... [2023-05-20 14:50:17,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6986c9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:50:17, skipping insertion in model container [2023-05-20 14:50:17,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:50:16" (2/3) ... [2023-05-20 14:50:17,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6986c9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:50:17, skipping insertion in model container [2023-05-20 14:50:17,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:50:17" (3/3) ... [2023-05-20 14:50:17,060 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2023-05-20 14:50:17,065 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:50:17,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:50:17,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:50:17,070 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:50:17,137 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 14:50:17,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:50:17,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:50:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:17,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 14:50:17,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 14:50:17,226 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:50:17,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:50:17,252 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3424f2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:50:17,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 14:50:18,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:18,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:18,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1584452702, now seen corresponding path program 1 times [2023-05-20 14:50:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:18,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021151386] [2023-05-20 14:50:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:50:18,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:18,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021151386] [2023-05-20 14:50:18,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021151386] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:50:18,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:50:18,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:50:18,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177032965] [2023-05-20 14:50:18,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:50:18,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:50:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:18,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:50:18,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:50:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:18,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:18,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:18,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:18,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:50:18,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:18,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:18,633 INFO L85 PathProgramCache]: Analyzing trace with hash 683774432, now seen corresponding path program 1 times [2023-05-20 14:50:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:18,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421482831] [2023-05-20 14:50:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:19,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:19,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421482831] [2023-05-20 14:50:19,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421482831] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:50:19,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:50:19,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 14:50:19,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846338650] [2023-05-20 14:50:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:50:19,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 14:50:19,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:19,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 14:50:19,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-20 14:50:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:19,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:19,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 14:50:19,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:19,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:19,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1704705153, now seen corresponding path program 1 times [2023-05-20 14:50:19,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:19,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106706359] [2023-05-20 14:50:19,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:19,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:19,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:19,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106706359] [2023-05-20 14:50:19,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106706359] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:50:19,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:50:19,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 14:50:19,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338090986] [2023-05-20 14:50:19,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:50:19,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 14:50:19,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:19,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 14:50:19,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 14:50:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:19,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:19,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 14:50:19,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1089410114, now seen corresponding path program 1 times [2023-05-20 14:50:19,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:19,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469986689] [2023-05-20 14:50:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:19,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:19,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469986689] [2023-05-20 14:50:19,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469986689] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:50:19,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:50:19,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 14:50:19,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159019602] [2023-05-20 14:50:19,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:50:19,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 14:50:19,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:19,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 14:50:19,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-20 14:50:19,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:19,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:20,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 14:50:20,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:20,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1535802982, now seen corresponding path program 1 times [2023-05-20 14:50:20,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:20,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150831235] [2023-05-20 14:50:20,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:20,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:50:20,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:20,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150831235] [2023-05-20 14:50:20,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150831235] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:50:20,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217961694] [2023-05-20 14:50:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:20,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:20,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:20,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:50:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 14:50:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:20,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-20 14:50:20,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:50:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:20,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:50:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:21,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217961694] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:50:21,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:50:21,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 23 [2023-05-20 14:50:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437935426] [2023-05-20 14:50:21,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:50:21,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-20 14:50:21,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-20 14:50:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2023-05-20 14:50:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:21,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:21,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.217391304347826) internal successors, (143), 23 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:21,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:21,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:21,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:21,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:21,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:22,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:50:22,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 14:50:22,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:22,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:22,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 365687096, now seen corresponding path program 2 times [2023-05-20 14:50:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:22,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468577016] [2023-05-20 14:50:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:22,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:22,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468577016] [2023-05-20 14:50:22,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468577016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:50:22,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345937148] [2023-05-20 14:50:22,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:50:22,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:22,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:22,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:50:22,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 14:50:22,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:50:22,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:50:22,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 14:50:22,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:50:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:22,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:50:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:23,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345937148] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:50:23,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:50:23,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 17 [2023-05-20 14:50:23,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281645507] [2023-05-20 14:50:23,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:50:23,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-20 14:50:23,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:23,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-20 14:50:23,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-05-20 14:50:23,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:23,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:23,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 17 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:23,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:23,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:23,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:23,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:23,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:50:23,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 14:50:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:23,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 14:50:23,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:23,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash -353098354, now seen corresponding path program 1 times [2023-05-20 14:50:23,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:23,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190717795] [2023-05-20 14:50:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:50:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:24,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190717795] [2023-05-20 14:50:24,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190717795] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:50:24,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162953479] [2023-05-20 14:50:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:24,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:24,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:24,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:50:24,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 14:50:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:24,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 14:50:24,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:50:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:24,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:50:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:25,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162953479] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:50:25,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:50:25,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 22 [2023-05-20 14:50:25,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502812740] [2023-05-20 14:50:25,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:50:25,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 14:50:25,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 14:50:25,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-05-20 14:50:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:25,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:25,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2727272727272725) internal successors, (138), 22 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:25,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 14:50:25,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:25,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:50:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:27,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 14:50:27,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:27,189 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:27,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:27,190 INFO L85 PathProgramCache]: Analyzing trace with hash 632273587, now seen corresponding path program 2 times [2023-05-20 14:50:27,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:27,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251901758] [2023-05-20 14:50:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:27,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:27,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251901758] [2023-05-20 14:50:27,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251901758] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:50:27,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812675276] [2023-05-20 14:50:27,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:50:27,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:27,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:27,861 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:50:27,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 14:50:27,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:50:27,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:50:27,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-20 14:50:27,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:50:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:28,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:50:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:50:29,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812675276] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:50:29,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:50:29,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 11] total 33 [2023-05-20 14:50:29,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064042445] [2023-05-20 14:50:29,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:50:29,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-20 14:50:29,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:29,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-20 14:50:29,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2023-05-20 14:50:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:29,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:29,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.909090909090909) internal successors, (162), 33 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:29,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:50:29,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:29,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:29,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:50:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:31,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 14:50:31,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:31,266 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:50:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:50:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1764221892, now seen corresponding path program 3 times [2023-05-20 14:50:31,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:50:31,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149074854] [2023-05-20 14:50:31,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:50:31,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:50:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:50:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:32,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:50:32,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149074854] [2023-05-20 14:50:32,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149074854] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:50:32,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071372687] [2023-05-20 14:50:32,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:50:32,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:50:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:50:32,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:50:32,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 14:50:32,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 14:50:32,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:50:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-20 14:50:32,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:50:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:33,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:50:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:50:38,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071372687] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:50:38,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:50:38,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 20] total 49 [2023-05-20 14:50:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932919097] [2023-05-20 14:50:38,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:50:38,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-20 14:50:38,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:50:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-20 14:50:38,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=1914, Unknown=0, NotChecked=0, Total=2352 [2023-05-20 14:50:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:38,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:50:38,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.122448979591836) internal successors, (202), 49 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 14:50:38,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:38,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-20 14:50:38,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:50:57,916 WARN L233 SmtUtils]: Spent 19.25s on a formula simplification. DAG size of input: 106 DAG size of output: 86 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:51:11,418 WARN L233 SmtUtils]: Spent 13.45s on a formula simplification. DAG size of input: 138 DAG size of output: 112 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:51:36,313 WARN L233 SmtUtils]: Spent 15.14s on a formula simplification. DAG size of input: 127 DAG size of output: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:51:58,312 WARN L233 SmtUtils]: Spent 21.85s on a formula simplification. DAG size of input: 142 DAG size of output: 123 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:53:08,367 WARN L233 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 123 DAG size of output: 103 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:53:19,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:53:21,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:53:31,317 WARN L233 SmtUtils]: Spent 7.63s on a formula simplification. DAG size of input: 136 DAG size of output: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:53:47,008 WARN L233 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:53:54,523 WARN L233 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 135 DAG size of output: 128 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:53:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 14:53:55,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-20 14:53:56,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:53:56,094 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:53:56,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:53:56,094 INFO L85 PathProgramCache]: Analyzing trace with hash 949373752, now seen corresponding path program 4 times [2023-05-20 14:53:56,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:53:56,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792269365] [2023-05-20 14:53:56,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:53:56,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:53:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:53:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:53:56,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:53:56,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792269365] [2023-05-20 14:53:56,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792269365] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:53:56,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637400230] [2023-05-20 14:53:56,773 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 14:53:56,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:53:56,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:53:56,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:53:56,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 14:53:56,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 14:53:56,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:53:56,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 14:53:56,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:53:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:53:58,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:53:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:53:59,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637400230] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:53:59,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:53:59,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 20] total 48 [2023-05-20 14:53:59,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815422611] [2023-05-20 14:53:59,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:53:59,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 14:53:59,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:53:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 14:53:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1933, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 14:53:59,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:53:59,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:53:59,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.6041666666666665) internal successors, (173), 48 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:53:59,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:53:59,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:53:59,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:53:59,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 14:53:59,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:54:31,906 WARN L233 SmtUtils]: Spent 19.07s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:54:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:54:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 14:54:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-20 14:54:34,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 14:54:35,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:54:35,155 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 14:54:35,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:54:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash -635310110, now seen corresponding path program 5 times [2023-05-20 14:54:35,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:54:35,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245411154] [2023-05-20 14:54:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:54:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:54:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:54:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:54:36,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:54:36,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245411154] [2023-05-20 14:54:36,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245411154] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:54:36,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819309321] [2023-05-20 14:54:36,252 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 14:54:36,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:54:36,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:54:36,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:54:36,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 14:54:36,426 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-20 14:54:36,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:54:36,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-20 14:54:36,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:54:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:54:37,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:54:48,637 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 67 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:54:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:54:52,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819309321] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:54:52,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:54:52,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 47 [2023-05-20 14:54:52,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490619458] [2023-05-20 14:54:52,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:54:52,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 14:54:52,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:54:52,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 14:54:52,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1854, Unknown=1, NotChecked=0, Total=2162 [2023-05-20 14:54:52,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:54:52,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:54:52,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.25531914893617) internal successors, (200), 47 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-20 14:54:52,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:55:13,277 WARN L233 SmtUtils]: Spent 21.07s on a formula simplification. DAG size of input: 160 DAG size of output: 126 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:55:19,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:55:21,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:55:23,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 14:55:33,885 WARN L233 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 163 DAG size of output: 156 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:55:52,938 WARN L233 SmtUtils]: Spent 16.51s on a formula simplification. DAG size of input: 162 DAG size of output: 153 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 14:58:32,821 WARN L233 SmtUtils]: Spent 2.52m on a formula simplification. DAG size of input: 186 DAG size of output: 152 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:00:27,971 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 182 DAG size of output: 143 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:00:35,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:38,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:40,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:42,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:44,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:46,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:48,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:00:50,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:01:01,497 WARN L233 SmtUtils]: Spent 10.14s on a formula simplification. DAG size of input: 129 DAG size of output: 122 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:02:03,954 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 160 DAG size of output: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:03:21,460 WARN L233 SmtUtils]: Spent 1.23m on a formula simplification. DAG size of input: 159 DAG size of output: 123 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:03:34,727 WARN L233 SmtUtils]: Spent 8.43s on a formula simplification. DAG size of input: 136 DAG size of output: 129 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:03:36,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:03:38,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:03:41,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:03:43,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:03:44,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:03:47,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:04:01,820 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:04:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-20 15:04:05,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-20 15:04:05,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 15:04:05,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 15:04:05,989 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 15:04:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:04:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash -573881622, now seen corresponding path program 6 times [2023-05-20 15:04:05,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:04:05,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947156056] [2023-05-20 15:04:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:04:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:04:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:04:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 38 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 15:04:06,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:04:06,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947156056] [2023-05-20 15:04:06,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947156056] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:04:06,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737019500] [2023-05-20 15:04:06,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 15:04:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:04:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:04:06,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 15:04:06,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 15:04:06,789 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-05-20 15:04:06,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:04:06,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 15:04:06,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:04:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 15:04:06,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:04:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 15:04:07,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737019500] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:04:07,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:04:07,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 7] total 25 [2023-05-20 15:04:07,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436397901] [2023-05-20 15:04:07,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:04:07,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-20 15:04:07,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:04:07,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-20 15:04:07,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-05-20 15:04:07,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:04:07,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:04:07,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.8) internal successors, (145), 25 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-20 15:04:07,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-20 15:04:07,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:04:19,830 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 135 DAG size of output: 128 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-20 15:04:52,846 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 15:04:52,849 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 15:04:52,849 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 15:04:53,251 WARN L249 SmtUtils]: Removed 12 from assertion stack [2023-05-20 15:04:53,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 15:04:53,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:04:53,452 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 162 for 32915ms.. [2023-05-20 15:04:53,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 15:04:53,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 15:04:53,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 15:04:53,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 15:04:53,459 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1] [2023-05-20 15:04:53,461 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 15:04:53,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 15:04:53,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:04:53 BasicIcfg [2023-05-20 15:04:53,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 15:04:53,463 INFO L158 Benchmark]: Toolchain (without parser) took 877079.03ms. Allocated memory was 196.1MB in the beginning and 539.0MB in the end (delta: 342.9MB). Free memory was 135.1MB in the beginning and 257.2MB in the end (delta: -122.1MB). Peak memory consumption was 221.9MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,463 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 15:04:53,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.46ms. Allocated memory is still 196.1MB. Free memory was 135.0MB in the beginning and 169.2MB in the end (delta: -34.2MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.34ms. Allocated memory is still 196.1MB. Free memory was 169.2MB in the beginning and 167.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,464 INFO L158 Benchmark]: Boogie Preprocessor took 24.87ms. Allocated memory is still 196.1MB. Free memory was 167.5MB in the beginning and 166.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,464 INFO L158 Benchmark]: RCFGBuilder took 382.05ms. Allocated memory is still 196.1MB. Free memory was 166.0MB in the beginning and 149.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,464 INFO L158 Benchmark]: TraceAbstraction took 876414.79ms. Allocated memory was 196.1MB in the beginning and 539.0MB in the end (delta: 342.9MB). Free memory was 148.7MB in the beginning and 257.2MB in the end (delta: -108.5MB). Peak memory consumption was 235.4MB. Max. memory is 8.0GB. [2023-05-20 15:04:53,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 196.1MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.46ms. Allocated memory is still 196.1MB. Free memory was 135.0MB in the beginning and 169.2MB in the end (delta: -34.2MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.34ms. Allocated memory is still 196.1MB. Free memory was 169.2MB in the beginning and 167.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.87ms. Allocated memory is still 196.1MB. Free memory was 167.5MB in the beginning and 166.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 382.05ms. Allocated memory is still 196.1MB. Free memory was 166.0MB in the beginning and 149.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 876414.79ms. Allocated memory was 196.1MB in the beginning and 539.0MB in the end (delta: 342.9MB). Free memory was 148.7MB in the beginning and 257.2MB in the end (delta: -108.5MB). Peak memory consumption was 235.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9908, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 850, dependent conditional: 833, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9085, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9085, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 54, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 50, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 50, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1325, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1325, independent: 1290, independent conditional: 0, independent unconditional: 1290, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1101, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 1091, dependent conditional: 85, dependent unconditional: 1006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9139, independent: 7767, independent conditional: 0, independent unconditional: 7767, dependent: 47, dependent conditional: 33, dependent unconditional: 14, unknown: 1325, unknown conditional: 17, unknown unconditional: 1308] , Statistics on independence cache: Total cache size (in pairs): 1325, Positive cache size: 1291, Positive conditional cache size: 0, Positive unconditional cache size: 1291, Negative cache size: 34, Negative conditional cache size: 17, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 8, Independence queries for same thread: 823 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.1s, Number of persistent set computation: 200, Number of trivial persistent sets: 159, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1373, independent: 1356, independent conditional: 0, independent unconditional: 1356, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9908, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 850, dependent conditional: 833, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9085, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9085, independent: 9058, independent conditional: 7702, independent unconditional: 1356, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 54, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 50, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9139, independent: 9058, independent conditional: 0, independent unconditional: 9058, dependent: 81, dependent conditional: 50, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1325, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1325, independent: 1290, independent conditional: 0, independent unconditional: 1290, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 34, dependent conditional: 17, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1101, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 1091, dependent conditional: 85, dependent unconditional: 1006, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9139, independent: 7767, independent conditional: 0, independent unconditional: 7767, dependent: 47, dependent conditional: 33, dependent unconditional: 14, unknown: 1325, unknown conditional: 17, unknown unconditional: 1308] , Statistics on independence cache: Total cache size (in pairs): 1325, Positive cache size: 1291, Positive conditional cache size: 0, Positive unconditional cache size: 1291, Negative cache size: 34, Negative conditional cache size: 17, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 8, Independence queries for same thread: 823 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 162 for 32915ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 162 for 32915ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 162 for 32915ms.. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 162 for 32915ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 113 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 876.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 838.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 470, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 34.3s InterpolantComputationTime, 1659 NumberOfCodeBlocks, 1641 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2316 ConstructedInterpolants, 56 QuantifiedInterpolants, 31185 SizeOfPredicates, 74 NumberOfNonLiveVariables, 1697 ConjunctsInSsa, 182 ConjunctsInUnsatCore, 28 InterpolantComputations, 4 PerfectInterpolantSequences, 311/549 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown